Abstract:
:Clinical manifestations of COVID-19 caused by the new coronavirus SARS-CoV-2 are associated with age1,2. Adults develop respiratory symptoms, which can progress to acute respiratory distress syndrome (ARDS) in the most severe form, while children are largely spared from respiratory illness but can develop a life-threatening multisystem inflammatory syndrome (MIS-C)3-5. Here, we show distinct antibody responses in children and adults after SARS-CoV-2 infection. Adult COVID-19 cohorts had anti-spike (S) IgG, IgM and IgA antibodies, as well as anti-nucleocapsid (N) IgG antibody, while children with and without MIS-C had reduced breadth of anti-SARS-CoV-2-specific antibodies, predominantly generating IgG antibodies specific for the S protein but not the N protein. Moreover, children with and without MIS-C had reduced neutralizing activity as compared to both adult COVID-19 cohorts, indicating a reduced protective serological response. These results suggest a distinct infection course and immune response in children independent of whether they develop MIS-C, with implications for developing age-targeted strategies for testing and protecting the population.
journal_name
Nat Immunoljournal_title
Nature immunologyauthors
Weisberg SP,Connors TJ,Zhu Y,Baldwin MR,Lin WH,Wontakal S,Szabo PA,Wells SB,Dogra P,Gray J,Idzikowski E,Stelitano D,Bovier FT,Davis-Porada J,Matsumoto R,Poon MML,Chait M,Mathieu C,Horvat B,Decimo D,Hudson KE,Zotdoi
10.1038/s41590-020-00826-9subject
Has Abstractpub_date
2021-01-01 00:00:00pages
25-31issue
1eissn
1529-2908issn
1529-2916pii
10.1038/s41590-020-00826-9journal_volume
22pub_type
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